Technology really has improved... playing Demon's Souls with PS3 emulator on my PC, streamed to my smartphone and using a Bluetooth controller : r/gaming
Guide for Setting up Demon Souls on a PS3 Emulator : r/demonssouls
Demon's Souls - RPCS3 Wiki
Latest RPCS3 Version Improves the Emulator's Accuracy, Fixing Many Visual Issues in Infamous 2, Demon's Souls, GoW 3, and More
LTTP: Demon's Souls - RPCS3 Edition | ResetEra
Demon's Souls on PS3 Emulator RPCS3 can now run on Lower End CPUs